Lu Zhi had a total of four sons.
The Qing Emperor had a total of five sons. From oldest to youngest, they were the Great Prince, the Second Prince, the Crown Prince, Fan Xian, and the Third Prince. Thus, Fan Xian was the Qing Emperor's fourth son.
The Qing Emperor had a total of five sons. The Crown Prince was the Qing Emperor's second son.
The Qing Emperor had a total of five sons. The Crown Prince was the Qing Emperor's second son.
Di Zhixun had three sons. They were Di Guangsi, Di Jinghui, and Di Zhixun's father, Di Mai.
Emperor Chongzhen had a total of seven sons and six daughters.
Di Zhixun had five sons. They were Di Renjie, Di Renzhen, Di Renjie, Di Renke, and Di Renju.